8164719079842 has 24 divisors (see below), whose sum is σ = 17682172683984. Its totient is φ = 2512221255024.

The previous prime is 8164719079807. The next prime is 8164719079877. The reversal of 8164719079842 is 2489709174618.

It is an interprime number because it is at equal distance from previous prime (8164719079807) and next prime (8164719079877).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4025994588 + ... + 4025996615.

It is an arithmetic number, because the mean of its divisors is an integer number (736757195166).

Almost surely, 2^{8164719079842} is an apocalyptic number.

8164719079842 is an abundant number, since it is smaller than the sum of its proper divisors (9517453604142).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8164719079842 is a wasteful number, since it uses less digits than its factorization.

8164719079842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8051991234 (or 8051991221 counting only the distinct ones).

The product of its (nonzero) digits is 48771072, while the sum is 66.

The spelling of 8164719079842 in words is "eight trillion, one hundred sixty-four billion, seven hundred nineteen million, seventy-nine thousand, eight hundred forty-two".